Cometic, cylinder head gaskets 3-7/8" bore .060" MLS - 99-17 Twin Cam (excl. 14-16 Twin Cooled). With 3-7/8" bore 95"/103" engines (NU) 920273 Stock cylinders must be bored

Stock cylinders must be bored to 3-7/8" big bore

Overall dimensions 4

This one was made to outlast your all-day activities

These covers are not designed for long walks

Includes washers

Cometic, cylinder head gaskets 3-7/8" bore .060" MLS - 99-17 Twin Cam (excl. 14-16 Twin Cooled). With 3-7/8" bore 95"/103" engines (NU) 920273 Stock cylinders must be boredMLS (Multi Layer Steel). Front & rear gasket for one engine. 3 7 8" (3. 875") fits 88" to 95"(1550cc) big bore conversions and is standard size for 103" OEM H D engines. Will not fit 103" Twin Cooled models. Stock Twin Cam gasket is approx. . 043" thick. MLS (Multi Layer Steel) explained: MLS consists of a top and bottom layer of embossed stainless steel with both side coated with 250C high temperature polymer rubber layer. The inner ring(s) are also